Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
57676979Factored
FactorDigitsBitsDate
138988678367259709435804679992993.52012-09-16 11:04:29
P-1 factors
DateFactorB1B2
2012-09-16138988678367259709435804679995300009805000
History
DateUserTypeResult
2022-06-28LordJuliusNF
no factor from 2^60 to 2^63
2012-09-16Jwb52zF-PM1
Factor: 13898867836725970943580467999
2012-08-31Jerry HallettNF
no factor from 2^72 to 2^73
2012-07-14Kevin JagetNF
no factor from 2^71 to 2^72
2011-10-21XyzzyNF
no factor from 2^70 to 2^71
2011-10-21XyzzyNF
no factor from 2^69 to 2^70
2011-04-29searchingforprimesNF
no factor from 2^68 to 2^69
2009-05-30James HintzNF
no factor from 2^67 to 2^68
2009-01-12Sturle SundeNF
no factor from 2^66 to 2^67
2009-01-11Yannic SpiethNF
no factor from 2^65 to 2^66
2009-01-10Sturle SundeNF
no factor from 2^64 to 2^65
2009-01-10Sturle SundeNF
no factor from 2^63 to 2^64